// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef V8_SNAPSHOT_PARTIAL_DESERIALIZER_H_
#define V8_SNAPSHOT_PARTIAL_DESERIALIZER_H_

#include "src/snapshot/deserializer.h"
#include "src/snapshot/snapshot.h"

namespace v8 {
namespace internal {

    class Context;

    // Deserializes the context-dependent object graph rooted at a given object.
    // The PartialDeserializer is not expected to deserialize any code objects.
    class V8_EXPORT_PRIVATE PartialDeserializer final : public Deserializer {
    public:
        static MaybeHandle<Context> DeserializeContext(
            Isolate* isolate, const SnapshotData* data, bool can_rehash,
            Handle<JSGlobalProxy> global_proxy,
            v8::DeserializeEmbedderFieldsCallback embedder_fields_deserializer);

    private:
        explicit PartialDeserializer(const SnapshotData* data)
            : Deserializer(data, false)
        {
        }

        // Deserialize a single object and the objects reachable from it.
        MaybeHandle<Object> Deserialize(
            Isolate* isolate, Handle<JSGlobalProxy> global_proxy,
            v8::DeserializeEmbedderFieldsCallback embedder_fields_deserializer);

        void DeserializeEmbedderFields(
            v8::DeserializeEmbedderFieldsCallback embedder_fields_deserializer);
    };

} // namespace internal
} // namespace v8

#endif // V8_SNAPSHOT_PARTIAL_DESERIALIZER_H_
